澤典
type: MusicGroup
genre: c-pop
genre: gufeng
popularity: 18
followers: 378
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xba6686b99116961aa4e7d831fdf6f840ff3b0e39a15c7a52a273899eba7c7943
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953641
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953641
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/39eebdaa-87c1-4d54-93e6-5f3f7fb98650.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/39eebdaa-87c1-4d54-93e6-5f3f7fb98650.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/39eebdaa-87c1-4d54-93e6-5f3f7fb98650
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T13:54:28Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xba6686b99116961aa4e7d831fdf6f840ff3b0e39a15c7a52a273899eba7c7943","name":"澤典","registered_at":"2026-06-14T10:31:47Z","symbol":"NIM0425186","token_address":"0x32b0a780dbfe38796004d27d25048409c24b2632","type":"artist","uuid":"39eebdaa-87c1-4d54-93e6-5f3f7fb98650"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba6686b99116961aa4e7d831fdf6f840ff3b0e39a15c7a52a273899eba7c7943. Chain 2 (Bitcoin): anchored in block 953641 (2026-06-14T13:54:28Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/39eebdaa-87c1-4d54-93e6-5f3f7fb98650.json and https://artists.proofprofile.net/proofs/artist/39eebdaa-87c1-4d54-93e6-5f3f7fb98650.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T13:54:28Z
  text: {"copyright_id":"0xba6686b99116961aa4e7d831fdf6f840ff3b0e39a15c7a52a273899eba7c7943","name":"澤典","registered_at":"2026-06-14T10:31:47Z","symbol":"NIM0425186","token_address":"0x32b0a780dbfe38796004d27d25048409c24b2632","type":"artist","uuid":"39eebdaa-87c1-4d54-93e6-5f3f7fb98650"}
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  type: MusicAlbum
  date published: 2020-12-21
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  date published: 2021-01-06
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  type: MusicAlbum
  date published: 2021-09-29
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  type: MusicAlbum
  date published: 2021-12-23
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  date published: 2021-12-24
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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